An Alter Ego-class pseudo-Servant who is three divine spirits in one body - the Ainu Kamuy Sitonai, the Norse goddess Freyja and the Finnish witch-queen Louhi inhabiting the body of Illyasviel von Einzbern.
Apparence-wise, she is simply Illyasviel von Einzbern wearing an approximation of ainu clothes in white with purple trims and accents, using patterns based on triangles and rhombuses instead of traditional Ainu patterning. She is carrying a short sword. This apparently is due to Sitonai having the strongest influence out of the divine trio in her body.
She also carries a bow for her Noble Phantasm, and is seen in battle with a large white bear named Shirou at her side.
